Draft: Update Minimal maturity to include feedback from internal users

Why is this change being made?

We have many opportunities to dogfood categories internally when they are early in maturity to help define early requirements. This MR updates the current Minimal definition to include feedback from internal users who align with a Minimal category's primary persona.

Related to: !84487 (closed)

Draft until:

1. Make a real harvey ball image for new "unverified" maturity level
2. Rename, and look at content of currently-linked-to issue template in UX project

Author Checklist

• Provided a concise title for the MR
• Added a description to this MR explaining the reasons for the proposed change, per say-why-not-just-what
• Assign this change to the correct DRI
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